Find Minimum in Rotated Sorted Array II | Super Simplified | Binary Search | Leetcode 154
In this video, we will solve Find Minimum in Rotated Sorted Array II (Leetcode 154) step by step.
📌 prerequisite:
Find Minimum in Rotated Sorted Array: • Find Minimum in Rotated Sorted Array | FAA...
OR
Binary Search
📌 Approach:
1. Brute (Linear Search): Traverse the entire array and keep track of the smallest element seen so far. Since the minimum element could be at any position after rotation, checking all elements guarantees the correct answer.
2. Optimal (Binary Search): Use binary search to locate the rotation point, which is the index of the minimum element. By comparing nums[mid] with nums[high], we determine whether mid lies in the left or right sorted portion; if both are equal (due to duplicates), we shrink the search space by doing high--
Problem: Find Minimum in Rotated Sorted Array
My solutions on Github (C++ & JAVA) : https://github.com/pragya9460/Leetcod...
Leetcode Link: https://leetcode.com/problems/find-mi...
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154. Find Minimum in Rotated Sorted Array II
Leetcode today
Find Minimum in Rotated Sorted Array: • Find Minimum in Rotated Sorted Array | FAA...
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Timelines:
00:00 Introduction & Problem Statement
01:41 Recap of Previous Logic (Leetcode 153)
05:45 Dry Run: Standard Case
06:58 The Problem with Duplicates
09:26 Solving for Duplicates (The logic change)
11:46 Dry Run: Handling Duplicate Edge Cases
12:48 Code Walkthrough
14:56 Time & Space Complexity Analysis
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